29. --- Do you know that man? --- Not really, just a nodding _______.
Generally speaking, my grandmother is nice and kind, but she _______ be very stubborn at times.
Most animals have little connection with animals of a different kind, _______ they hunt them for food.
He loved his family, but seldom _______ spend much time with them.
A study shows that walking fast in your old age is a ______ that you will live a long life.
— Where _______ you put my dictionary? — I left it on your desk when you _______ to Tom.